Core contents of the standard: First, scope of application, applicable to the combustion performance tests of power cables, control cables, communication cables, traveling cables and various wiring harnesses for elevators; Second, full coverage of test items, specifying 12 combustion performance test items such as single vertical combustion test, bundled combustion test, smoke density test, toxicity test, and halogen content test; Third, unified test methods, detailing the test principle, test equipment, test steps, test conditions and data processing methods of each combustion test, adopting internationally advanced combustion test technology; Fourth, clear judgment standards, clarifying the qualified judgment standards for each combustion test, and stipulating the combustion performance index requirements for elevator cables and wiring harnesses of different fire protection grades; Fifth, environmental protection requirements, clarifying the environmental protection requirements for elevator cables and wiring harnesses, limiting the content of harmful substances, and stipulating the technical requirements for low-smoke halogen-free flame-retardant cables, which conforms to the concept of green environmental protection development.